Function pthread_mutex_timedlock

include/hamlib/winpthreads.h:945–979

}

static int pthread_mutex_timedlock(pthread_mutex_t *m, struct timespec *ts)
{
	unsigned long long t, ct;

	struct _pthread_crit_t
	{
		void *debug;
		LONG count;
		LONG r_count;
		HANDLE owner;
		HANDLE sem;
		ULONG_PTR spin;
	};

	/* Try to lock it without waiting */
	if (!pthread_mutex_trylock(m)) return 0;

	ct = (DWORD)_pthread_time_in_ms();
	t = (DWORD)_pthread_time_in_ms_from_timespec(ts);

	while (1)
	{
		/* Have we waited long enough? */
		if (ct > t) return ETIMEDOUT;

		/* Wait on semaphore within critical section */
		WaitForSingleObject(((struct _pthread_crit_t *)m)->sem, (DWORD)(t - ct));

		/* Try to grab lock */
		if (!pthread_mutex_trylock(m)) return 0;

		/* Get current time */
		ct = _pthread_time_in_ms();
	}
}

#define _PTHREAD_BARRIER_FLAG (1<<30)